2004 Specifications CSJ 0914-00-280 SPECIAL SPECIFICATION 8340 Dual Band Wireless Ethernet Radios 1. Description. Furnish and install Dual Band Wireless Ethernet Radios (DBWERs) links for point-to-point and point-to-multi-point systems operating at the 5.8 GHz carrier frequency non-licensed range. The Wireless Ethernet Radios shall provide a dual radio 5.8 GHz point to multi-point and 2.4 GHz Wi-Fi access point. Each Wireless Ethernet Radio communicates with its associated backhaul radio or TxDOT Wi-Fi users. Provide DBWERs that are configured together and attached to network segments that are separated over a distance along a line-of-sight. Provide 120 of coverage per radio for communications between Traffic Signals and towers. Provide 10 backhaul links between towers. Provide up to 54 Mbps transmission rate, and a TCP/IP network that transfers IP traffic between the coverage area and other DBWERs. The Wireless Ethernet Radio Wi-Fi access shall be configured to provide dedicated Wi-Fi services over a distance along a line-of-sight. Provide 360 of coverage, a minimum 54 Mbps transmission rate, and a TCP/IP network that transfers IP traffic between the coverage area and other DBWERs or TxDOT Wi-Fi users. Over this network, the following services are available to users (as well as other applications): Provide backhaul coverage on the 5.8 GHz radio, while the second radio, 2.4 GHz, is used exclusively for Wi-Fi coverage. Support and compliant with IEEE-802.11 b/g and IEEE-802.11 n. Support and compliant with IEEE-802.11 e quality of service support for data, voice and video Provision for network connectivity between Hub and Field Element Virtual Private Network (VPN) scenario. Capability for establishment of high-speed connections between Internet Service Providers (ISP) and their customers Provision for surveillance over remote sites Provide all similar DBWERs from the same manufacturer for point-to-point and for pointto-multi-point systems. Furnish, assemble, fabricate or install new, corrosion resistant materials in strict accordance with the details shown on the plans and in the specifications. 1-11 8340
Provide an interference analysis for each DBWERS link to identify potential sources of interference. Adjust antenna polarities and transmission channels on equipment to minimize interference from other sources. If the interference analysis shows possibility for interference along any wireless link, conduct in-field monitoring to determine if actual interference exists. Include licenses for all equipment, where required, for any software or hardware in the system. Supply a medical statement as to the safety of the unit to the general public (example: Pacemakers, etc.). 2. Materials. A. General. Provide Wireless Ethernet Radios operating at the 5.8 GHz and 2.4 GHz license-exempt frequency bands. The operational frequency channels shall be selectable by the unit configuration setup. The DBWERs shall include Access Point, Antennas, Interconnection Cable and Unlicensed Network Management Tools (UNMT) The Access Point shall include radio data Transmitter/Receiver modules, an Ethernet access point and Power Supply module. The Antennas can be internal or external units and include the antennas and the physical attachment parts. Where required, the Interconnection Cable is a coaxial cable between Access Point and Antenna. The Wi-Fi radio shall be compliant with the IEEE 802.11 b/g and IEEE 802.11 n Ethernet standards. 3. Functional Requirements. (Point-to-Point Application): Provide the Wireless Ethernet Microwave Radio System to be a point to point, license-free, Dynamic modulating radio with an effective throughput of 54 Mbps (Backhaul). Ensure the DBWERS uses Dynamic Frequency Selection technology. Ensure the DBWERS has an Ethernet port that can be used for configuration. Provide an auto-sensing ethernet port for the connectivity. Ensure the point-to-point and point-to-multi-point DBWERS is integrated with a flat panel antenna in a rugged weatherproof housing that can be mounted with the antenna either vertical or horizontal. The external antenna for the point-to-point Wireless Ethernet Radio System (Backhaul) shall be subsidiary to this bid item. The Ethernet cable used to connect the antenna/radio to the power-over-ethernet unit will be UV Resistant. Ensure the radio is software configurable via DBWERS GUI or SNMP through the Ethernet port. Ensure the DBWER (Backhaul) can be configured as a 100 Mbps Full Duplex Ethernet radio. 2-11 8340
Ensure the DBWER (Local), consists of both Outdoor and Indoor Units, and is integrated with a flat panel antenna in a rugged weatherproof housing that can be mounted with the antenna either vertical or horizontal. Ensure the DBWER (Backhaul) also consists of both Outdoor and Indoor Units, is in a rugged weatherproof housing. A. The assembly shall include provisions for system configuration, antennas alignments, software and firmware for the unit, ability to set up Tools for Unlicensed Network Management, and ability to monitor the system. Provide a fully operational assembly with all cabling and terminations matched to support the selected components. The Wireless Ethernet Radios shall consist of the following specifications: 1. Wireless Ethernet Radios Standard: IEEE 802.11b/g and IEEE 802.11n IEEE 802.1Q Virtual Local Area Network (VLAN) IEEE 802.11E Quality of Service Network Interfaces: Frequency Channel: Network Function: Security Function: Digital Interface: Data Connector: Radio Access Method: Data Network Interface, 10/100 Base-T 5.725-5.85 GHz; 5 MHz, 1- MHz, 20 MHz, and 40Mhz channels, 2.4 GHz; 11 channels Mesh Networking Wi-Fi Protected Access IEEE 802.11i (WPA2), TKIP, MAC / RADIUS Server, allow option to turn off SSID. 10/100 Base T Compliance with IEEE 802.1D bridging node, IEEE 802.1Q Transparent Virtual Local Area Network (VLAN) Tagging, up to 16 SSID and VLANs per wireless interface Ethernet port RJ-45 Orthogonal Frequency Division Multiplexing (OFDM) Regulatory Compliance: FCC Part 15.400 (U-NII), FCC Part 15.247 (ISM) 20 Mbps Diagnostic: Access Point Configuration: Data Throughput: Via Ethernet, RS-232C Via Ethernet, RS-232C Minimum 54 Mbps Half Duplex Frequency Channel Selection: Software Control Transmission Power: +12.5 dbm to +26 dbm 3-11 8340
Temperature: Humidity Range: Power Injector: Dimension: Weight: -40 F to 140 F or better 0 to 95% at 113 F POE Input voltage 100 to 240 VAC with 1A at 18 VDC output 9 watts (maximum) Maximum 12 (H) x 12 (W) x 4 (D) Less than 7 lbs 2. Antennas a) 5.8 GHz Sector Antenna (Communications between Towers and Signals). The Antenna shall be a wide Bandwidth antenna with the following requirements: Antenna Type: Sector Antenna Adjustable sectors, 45, 60, 90, 120 degree Antenna Gain: 14 dbi minimum, at 120 degrees VSWR: 2.0 to 1 Maximum 6.5 Maximum Operational Wind speed: Minimum 110 MPH Connector: Type N - female Surge Protector: Range 6 GHz, 50 Ohms, Insertion loss 0.4 db, surge current 5 Ka Safety: Temperature: Humidity Range: Dimension: Weight: FCC: Safety for Information Technology Equipment, National Recognized Testing Laboratory ANSI / UL1950 (FCC) -40 F to 140 F or better 5% to 95% at 113 F Maximum 25 (H) x 13 (D) x 4 (W) Less than 5 lbs Part 15, Class B b) 5.8 GHz Panel Antenna (Backhaul Tower to Tower). The Antenna shall be a flat panel antenna with the following requirements: Antenna Type: Panel Sector Antenna 4-11 8340
Antenna Gain: 19 dbi minimum at 10 degrees VSWR: 2.0 to 1 Maximum 6.5 Maximum Operational Wind speed: Minimum 110 MPH Connector: Type N female, or integrated in radio unit Surge Protector: Range 6 GHz, 50 Ohms, Insertion loss 0.4 db, surge current 5 Ka Safety: Temperature: Humidity Range: Dimension: Weight: FCC: Safety for Information Technology Equipment, National Recognized Testing Laboratory ANSI / UL1950 (FCC) -40 F to 140 F or better 5% to 95% at 113 F Maximum 25 (H) x 13 (D) x 4 (W) Less than 5 lbs Part 15, Class B c) 2.4 GHz Omni Directional Antenna. The Antenna shall be a wide Bandwidth antenna with the following requirements: Antenna Type: 10 dbi Omni direction Antenna Antenna Polarization: Antenna Gain: Linear Vertical 10 dbi or more Nominal Impedance: 50 Ohms VSWR: Wind Speed: Gain: less than 2.0 to nominal Minimum 110 MPH 20 dbi Watt (cw) Maximum Survivable Wind speed: 100 MPH Connector: Type N Surge Protector: Range 3 GHz, 50 Ohms, Insertion loss 0.4 db, 5-11 8340
surge current 5Ka Safety: Safety for Information Technology Equipment National Recognized Testing Laboratory ANSI / UL1950 (FCC) Temperature: -40 F to 140 F or better Humidity Range: 5 to 95% at 113 F Dimension: Maximum 40 Weight: Less than 1 lb FCC Environment: Part 15, Class B c) Interconnection Cable Type: Low Density Foam (LDF)4-50 for distance up to 320 ft Land Mobile Radio (LMR)-600 for distance up to 480 ft LMR-900 for distance up to 720 ft LMR-1200 for distance up to 1125 ft or equivalent as approved by the Engineer. Connector: N-type connector or equivalent at approved by the Engineer. d) Mounting Configuration. The Antenna shall be installed on the Signal pole, CCTV pole, DMS sign structure or other roadside structure at the Antenna s lowering attachment or, for fixed locations, the installation shall be as shown on the plans. The contractor shall install the Antenna and Access Point based on the manufacturer s recommendation or at the direction of the Engineer. The Contractor shall install the Antenna at a permanent position on the Antenna Lowering attachment. The Antenna assembly must be mounted on the traffic signal at a position that provides line-of-sight path clearance to the far-end location. The antenna system shall be installed according to the manufacturer s instructions. The Antenna shall be grounded using the signal pole grounding system. The Contractor shall install a Roof/Wall Mounting Kit for the building site location. The Roof/Wall Mounting Kit shall be specified by the Wireless Ethernet Access Point manufacturer or as directed by the Engineer. The cost for the Roof/Wall Mounting Kit shall be included in the price bid for Wireless Ethernet Unlicensed Frequency Access Unit. The fact that this cost is to be included in the bid price is independent of site condition (i.e. whether roof installation is required or not). The Contractor shall mount the Antenna as rigidly as possible, with adequate room for azimuth and elevation adjustment from the rear. The Contractor shall provide the specification of the mounting kit including the details on how to mount and adjust azimuth and tilt. The Contractor shall utilize the existing Building Grounding and ensure this grounding is adequate for lightning protection of the Antenna. 6-11 8340
e) Unlicensed Network Management Tool. The Contractor shall install the Unlicensed Network Management Tool for operation and maintenance of the Wireless Ethernet Radios. The Unlicensed Network Management Tool system shall be provided for managing and maintaining the unlicensed wireless network. Install, configure, operate and test the Unlicensed network Management Tool Management for the project network. Include the following functionality or components: A network management system with enhanced diagnostic and performance monitoring tools. Provision for open, reliable and user-friendly GUI-based management. Ability to support local and remote terminal configuration, status/alarm reporting, traps, statistics and diagnostics. Proactive management of all links from a single operator console, over IP. Operating System runs on Microsoft Windows XP or Vista station. All system parameters shall be software configurable. B. System Installation. Provide and install all materials, including support, calibration and test equipment, to ensure an operating and functional wireless system. This shall include installation of DBWER equipment with power and data cables, and the Power and Grounding System. Prior to beginning installation, inspect each site to verify suitability of installation and submit its Installation design and its grounding and lightning protection design to the Engineer for approval prior to installation. This installation shall include: 1. Antenna Mounts. Provide and install antenna mounts, standoffs, brackets and hardware, transmission line, hanger kits and grounding kits. Install all antennas at specified center lines. Perform antenna alignment for each path and compare with path calculations. 2. System Power and Grounding. Describe its proposed grounding and lightning protection design. Connect its equipment to the 115 Volt circuits provided at the sites. Bond all equipment racks in accordance with the approved Installation Specification. Ground all equipment racks to the single-point ground for the site. Provide grounding and lightning protection for all cable runs on the support tower and at the equipment entry point. 3. System Optimization. Following installation of the completed system, optimize the equipment at each site in accordance with the specifications to provide a complete, operational system. C. Software. Provide any and all programming and software required to support both proposed DBWER systems. Install the programming and software in the appropriate equipment at the time of acceptance testing, and shall be used in the acceptance testing. Provide software update free of charge during the warranty period. 7-11 8340
D. Power Requirements. Ensure the DBWER operates at input voltage range of 0-60 VDC, from a separate power supply to be provided as part of this bid item. Ensure the separate power supply operates from 115 VAC +/- 10%, 60 Hz +/- 3 Hz. Ensure the power consumption for both DBWER systems does not exceed 55 W. Provide equipment operations that are not affected by the transient voltages, surges and sags normally experienced on commercial power lines. Check the local power service to determine if any special design is needed for the equipment. The extra cost, if required, must be included in the bid of this item. 1. Wiring. Provide wiring that meets the requirements of the National Electrical Code. Provide wires that are cut to proper length before assembly. Provide cable slacks to facilitate removal and replacement of assemblies, panels, and modules. Do not doubled-back wire to take up slack. Lace wires neatly into cable with nylon lacing or plastic straps. Secure cables with clamps. Provide service loops at connections. 2. Transient Suppression. Provide DC relays, solenoids and holding coils that have transient suppression. 3. Power Service Protection. Provide equipment that contains readily accessible, manually resettable or replaceable circuit protection devices (such as circuit breakers or fuses) for equipment and power source protection. Provide and size circuit breakers or fuses such that no wire, component, connector, PC board or assembly must be subjected to sustained current in excess of their respective design limits upon the failure of any single circuit element or wiring. 4. Fail Safe Provision. Provide equipment that is designed such that the failures of the equipment must not cause the failure of any other unit of equipment. Ensure automatic recovery from power failure shall be within 5 sec. after resumption of power. E. Mechanical Requirements. For both DBWER systems (i.e., backhaul and local) ensure the dimensions are no larger than 14.5 in. x 14.5 in x 3.75 in. and weigh no more than 12.1 lbs, and are in a fully weatherproof enclosure. Coat printed circuit boards with a clear-coat moisture and fungus resistant material (conformal coating). 1. Modular Design. Provide equipment that is modular in design to allow major portions to be readily replaced in the field. Ensure modules of unlike functions are mechanically keyed to prevent insertion into the wrong socket or connector. Identify modules and assemblies clearly with name, model number, serial number and any other pertinent information required to facilitate equipment maintenance. 8-11 8340
2. Connectors and Harnesses. Provide external connections made by means of connectors. Provide connectors that are keyed to preclude improper hookups. Color code and/or appropriately mark wires to and from the connectors. Provide connecting harnesses of appropriate length and terminated with matching connectors for interconnection with the communications system equipment. Provide pins and mating connectors that are plated to improve conductivity and resist corrosion. Cover connectors utilizing solder type connections by a piece of heat shrink tubing securely shrunk to insure that it protects the connection. Ensure patch fibers with mixed connectors are uniquely color coded for easy identification. 3. Environmental Requirements. Provide all equipment capable of continuous operation over a temperature range of -40 F to 140 F and a humidity range of 5% to 95% (non-condensing). 4. Construction. A. General. Provide equipment that utilizes the latest available techniques for design and construction with a minimum number of parts, subassemblies, circuits, cards, and modules to maximize standardization and commonality. Design the equipment for ease of maintenance. Provide component parts that are readily accessible for inspection and maintenance. Provide test points that are for checking essential voltages and waveforms. B. Electronic Components. Provide electronic components in accordance with Special Specification 6013, "Electronic Components". C. Mechanical Components. Provide external screws, nuts and locking washers that are stainless steel; no self-tapping screws will be used. Provide parts made of corrosion resistant material, such as plastic, stainless steel, anodized aluminum or brass. Protect materials from fungus growth and moisture deterioration. Separate dissimilar metals by an inert dielectric material. D. Documentation Requirements. Provide documentation in accordance with Article 4, Special Specification, Testing, Training, Documentation, Final Acceptance, and Warranty. E. Testing. Perform testing in accordance with Article 2, Special Specification, Testing, Training, Documentation, Final Acceptance, and Warranty. Test all DBWER to ensure compliance to all FCC and Department specifications. Additional testing requirement is as follows: 1. System Testing. Conduct System Testing at the manufacturer's facility as well as after installation at the designated TXDOT locations. 9-11 8340
Test each hop of the proposed system. This shall include transmit power and frequency, receiver performance and frequency, proper operation of switch over, proper operation of alarms and switches and bit error rate (BER) testing for the configured hop. Prior to beginning the manufacturer's test, provide TXDOT with a copy of the test procedure as well as the proposed test date(s). Following completion of equipment installation and operational optimization, submit the Acceptance Test Plan to TXDOT for review and Approval. During the official Acceptance Testing, provide the technical staff to conduct the measurements and adjustments called for in the testing. TXDOT shall participate in the testing as the Official Test Witness. Provide each page of the Acceptance Test Document for data recording of the test results, and the name of Contractor's representative conducting the test as well as a suitable field for the test date and signature of TXDOT Test Witness. Upon TXDOT Approval of the Test Plan and the Test Schedule, begin the Acceptance Test. This must include: 2. System-level Testing of the System Paths. Ensure testing of the installed system paths include: Measure and record the transmitter/receiver channel frequency and polarity. Measure and record the transmitter power. Measure and record the receiver fade margin. Perform a one hour Bit Error Rate Test (BERT) on the primary equipment and record results. Verify the operation of all local alarm and control points using the alarm/monitoring equipment provided. 3. System-level Test. Following testing of the individual equipment, test each hop on an end-to-end basis and perform a BERT on the primary equipment. Test and verify the operation of the alarm and monitor equipment in accordance with the Acceptance Test criteria. F. Experience Requirements. The Contractor or designated subcontractors involved in the installation and testing of the DBWER shall, as a minimum, meet the following requirements: Three years experience in the installation of DBWER System. Two installed DBWER systems where Systems have been in continuously satisfactory operation for at least 1 year. The Contractor shall submit as proof, photographs or other supporting documents, and the names, addresses and telephone numbers of the operating personnel who can be contacted regarding the system. Provide necessary documentation of subcontractor qualifications pursuant to contract award. G. Technical Assistance. Ensure that a manufacturer's technical representative is available on site to assist the Contractor's technical personnel at each installation site 10-11 8340
and with DBWER system equipment installation and communication system configuration. Do not execute the initial powering up of the DBWER equipment without the permission of the manufacturer's representative. H. Training. Provide training in accordance with Article 3, Special Specification 6011, Testing, Training, Documentation, Final Acceptance and Warranty. I. Warranty. Provide a warranty in accordance with Article 6, Special Specification 6011, Testing, Training, Documentation, Final Acceptance and Warranty. 5. Measurement. This Item will be measured as each wireless link complete in place. 6. Payment. The work performed and material furnished in accordance with this Item and measured as provided under Measurement will be paid for at the unit price bid for each Dual Band Wireless Ethernet Radio. This price shall include all equipment described under this Item with all cables and connectors, mounting assemblies, all documentation and testing; and shall include the cost of furnishing all labor, materials, training, warranty, equipment, and incidentals. 11-11 8340